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Gridlode
Rank #2,194Updated November 10, 2026

thunderbird.net

Thunderbird — Free Your Inbox. — Thunderbird

thunderbird.net is registered with MarkMonitor Inc. since May 28, 2002 (24.5 years). The registration expires on May 28, 2027. The site runs on Matomo, Cloudflare, Mailchimp and 1 other technologies. Its email security grade is B. Its SSL certificate is issued by Google Trust Services and is valid for 60 more days.

Domain age
24.5 yrs
Technologies
4
Email security
B
SSL days left
60

Registration

RegistrarMarkMonitor Inc.
IANA ID292
RegisteredMay 28, 2002
ExpiresMay 28, 2027
UpdatedSeptember 12, 2026
Statusclient delete prohibited, client transfer prohibited, client update prohibited, server delete prohibited, server transfer prohibited, server update prohibited
Name serverskia.ns.cloudflare.com, nick.ns.cloudflare.com
DNSSECNot signed

DNS records

TypeValueTTL
A104.20.26.187300
A172.66.166.3300
MXaspmx.l.google.com 1300
MXalt3.aspmx.l.google.com 10300
MXalt4.aspmx.l.google.com 10300
MXalt1.aspmx.l.google.com 5300
MXalt2.aspmx.l.google.com 5300
NSkia.ns.cloudflare.com86400
NSnick.ns.cloudflare.com86400
TXT14956136300
TXT1password-site-verification=IHO4WARAQFFLXDHZB56XZF2PHA300
TXTMS=ms81336502300
TXTanthropic-domain-verification-w18gaf=RZ86dJ1s9VT14VNvpmHAwfRqE300
TXTapple-domain-verification=pzjYlsoA8s7Ha71Q300
TXTatlassian-domain-verification=8xkMty0tOT0eog0PN17DvoBgD4NC/3/j/Tkx6tRZN5Zl15VBEFltqd9CfFxWiGe3300
TXTcoursera-domain-verification=VgYybKLGWrvFuJwMMwwHzeSUMeSV940iyUXt1HLJKouNizvcgoEjpBtPezct4r4r300
TXTcursor-domain-verification-p2rkeh=EiisHW6fugHXlaaDX7YzS3M7O300
TXTgoogle-site-verification=96iXS_8P8qP6DhVQz3lTKDZqKDpvv2TIzJfiFmVBGXc300
TXTgoogle-site-verification=KxD-jprWeu5RCryeejJ2IQLYKLAknHRyd9UouCx3qj0300
TXTgoogle-site-verification=mMSFIliLussedqJxSXwL44h9_uxu7A9-oWoy5GQ6TUg300
TXTnotion-domain-verification=CTJ2GxP5qpUZsOatCxmocIYuUHiXe1V8HTyXcPbZVyG300
AAAA2606:4700:10::6814:1abb300
AAAA2606:4700:10::ac42:a603300

Technology stack

Analytics
Email marketing
Security

SSL certificate

ValidValid
IssuerUS, WE1, Google Trust Services
ExpiresJanuary 9, 2027
Days remaining60
ProtocolTLSv1.3
Namesthunderbird.net, stats.thunderbird.net, *.stats.thunderbird.net

Email security

BScore 83/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
  • warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
  • warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
  • warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
  • goodSPF record found.
  • goodSPF ends with ~all: servers you have not listed are marked as suspicious (soft fail).
  • goodDMARC policy is reject: mail that fails authentication is blocked.
  • goodDMARC aggregate reports are sent to mailto:[email protected], mailto:[email protected], mailto:[email protected].
  • goodDKIM keys found (selector: google, k1, k2, dkim, fm1).
  • good5 MX record(s) found. Mail is handled by Google Workspace.

Homepage metadata

TitleThunderbird — Free Your Inbox. — Thunderbird
DescriptionThunderbird is a free email application that’s easy to set up and customize - and it’s loaded with great features!
Languageen
Canonicalhttps://www.thunderbird.net/en-US/
IndexableYes
Word count865

About thunderbird.net

Who is the registrar of thunderbird.net?

thunderbird.net is registered with MarkMonitor Inc. (IANA ID 292).

When does thunderbird.net expire?

The current registration of thunderbird.net expires on May 28, 2027. It was first registered on May 28, 2002.

What technology does thunderbird.net use?

We detected 4 technologies on thunderbird.net, including Matomo, Cloudflare, Mailchimp, HSTS.

Does thunderbird.net protect its email with SPF and DMARC?

thunderbird.net scores 83/100 (grade B) for email security. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection. No TLS-RPT record, so you won't hear about failed encrypted deliveries.

What are the name servers of thunderbird.net?

thunderbird.net uses kia.ns.cloudflare.com, nick.ns.cloudflare.com.